#include<iostream>
#include<string>
using namespace std;

int main()
{
	#ifdef LINUX
	    string msg = "Your Linux version is too old";
	#else 
	    string msg = "Your Windows version is too old";
	#endif
	    cout<<msg<<endl;
	#ifdef DFBUG
	    cout<<"this is debug version"<<endl;
	#endif
	    return 0;
}